a-a a-b a-i a-t aaa aab aaf aai aam aat aau aax ab- aba abb abf abi abm abt abu abx af- afa afb aff afi afm aft afu afx ai- aia aib aif aii aim ait aiu aix ama amb amf ami amm amt amu amx at- ata atb atf ati atm att atu atx au- aua aub auf aui aum aut aux ax- axa axi axm axt axx b-u baa bab baf bai bam bat bau bax bba bbb bbf bbi bbm bbt bbu bbx bfa bfb bff bfi bfm bft bfu bfx bi- bia bib bif bii bim bit biu bix bma bmb bmf bmi bmm bmt bmu bmx bta btb btf bti btm btt btu btx bua bub buf bui bum but buu bux bxb bxi bxm bxx faa fab faf fai fam fat fau fax fba fbb fbf fbi fbm fbt fbu fbx ffa fff ffi ffm fft ffu ffx fia fib fif fii fim fit fiu fix fma fmb fmf fmi fmm fmt fmu fmx fta ftb ftf fti ftm ftt ftu ftx fua fub fuf fui fum fut fuu fux fxi fxm fxt fxu fxx i-f ia- iaa iab iaf iai iam iat iau iba ibb ibf ibi ibm ibt ibu ibx ifa ifb iff ifi ifm ift ifu ifx iia iib iif iii iim iit iiu iix im- ima imb imf imi imm imt imu imx ita itb itf iti itm itt itu itx iu- iua iub iui ium iut ixi m-f maa mab maf mai mam mat mau max mba mbb mbf mbi mbm mbt mbu mbx mfa mfb mff mfi mfm mft mfu mi- mia mib mif mii mim mit miu mix mma mmb mmf mmi mmm mmt mmu mmx mta mtb mtf mti mtm mtt mtu mtx mua mub muf mui mum mut muu mux mxa mxi mxu t-x taa tab taf tai tam tat tau tax tba tbb tbf tbi tbm tbt tbu tfa tfb tff tfi tfm tft tfu tfx tia tib tif tii tim tit tiu tix tma tmb tmf tmi tmm tmt tmu tmx tta ttb ttf tti ttm ttt ttu ttx tua tub tuf tui tum tut tuu tux txf txi txt txu ua- uaa uab uaf uai uam uat uau uba ubb ubf ubi ubt ubu ubx ufa uff ufi ufm uft ufu ufx uia uib uif uii uim uit uiu um- uma umb umf umi umm umt umu uta utb utf uti utm utt utu utx uua uum uut uuu uxb uxf uxt uxu xaa xaf xam xat xau xbx xfa xfm xft xfx xia xii xit xiu xix xma xmf xmi xmm xmt xmu xmx xtf xti xtm xtx xui xxi xxx